The Kingdom open their campaign against a French Barbarians team in Bordeaux, before tests against Wales and Georgia.
The 'Ikale Tahi ended the June window with back-to-back wins over Samoa and Fiji.
Captain Siale Pitau said they want to build on that momentum.
"There was a lot of hard work put in the couple of tours ... so I think we're just trying to build obviously our way into the World Cup, we're just trying to build on all these performances that we've been putting through," he said.
